1 /* 2 * Configuration settings for the Gumstix Overo board. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef __CONFIG_H 8 #define __CONFIG_H 9 10 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 11 #define CONFIG_NAND 12 13 #include <configs/ti_omap3_common.h> 14 /* 15 * We are only ever GP parts and will utilize all of the "downloaded image" 16 * area in SRAM which starts at 0x40200000 and ends at 0x4020FFFF (64KB). 17 */ 18 #undef CONFIG_SPL_TEXT_BASE 19 #define CONFIG_SPL_TEXT_BASE 0x40200000 20 21 #define CONFIG_BCH 22 23 /* call misc_init_r */ 24 #define CONFIG_MISC_INIT_R 25 26 /* pass the revision tag */ 27 #define CONFIG_REVISION_TAG 28 29 /* override size of malloc() pool */ 30 #undef CONFIG_SYS_MALLOC_LEN 31 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB sector */ 32 /* Shift 128 << 15 provides 4 MiB heap to support UBI commands. 33 * Shift 128 << 10 provides 128 KiB heap for limited-memory devices. */ 34 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 15)) 35 36 /* I2C Support */ 37 #define CONFIG_SYS_I2C_OMAP34XX 38 39 /* TWL4030 LED */ 40 #define CONFIG_TWL4030_LED 41 42 /* USB EHCI */ 43 #define CONFIG_USB_EHCI 44 #define CONFIG_USB_EHCI_OMAP 45 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 183 46 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3 47 48 /* Initialize GPIOs by default */ 49 #define CONFIG_OMAP3_GPIO_2 /* GPIO32..63 is in GPIO Bank 2 */ 50 #define CONFIG_OMAP3_GPIO_3 /* GPIO64..95 is in GPIO Bank 3 */ 51 #define CONFIG_OMAP3_GPIO_4 /* GPIO96..127 is in GPIO Bank 4 */ 52 #define CONFIG_OMAP3_GPIO_5 /* GPIO128..159 is in GPIO Bank 5 */ 53 #define CONFIG_OMAP3_GPIO_6 /* GPIO160..191 is in GPIO Bank 6 */ 54 55 /* commands to include */ 56 57 #ifdef CONFIG_NAND 58 #define CONFIG_CMD_UBIFS /* Read-only UBI volume operations */ 59 60 #define CONFIG_RBTREE /* required by CONFIG_CMD_UBI */ 61 #define CONFIG_LZO /* required by CONFIG_CMD_UBIFS */ 62 63 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 64 65 /* NAND block size is 128 KiB. Synchronize these values with 66 * overo_nand_partitions in mach-omap2/board-overo.c in Linux: 67 * xloader 4 * NAND_BLOCK_SIZE = 512 KiB 68 * uboot 14 * NAND_BLOCK_SIZE = 1792 KiB 69 * uboot environtment 2 * NAND_BLOCK_SIZE = 256 KiB 70 * linux 64 * NAND_BLOCK_SIZE = 8 MiB 71 * rootfs remainder 72 */ 73 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 74 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ 75 "512k(xloader)," \ 76 "1792k(u-boot)," \ 77 "256k(environ)," \ 78 "8m(linux)," \ 79 "-(rootfs)" 80 #else /* CONFIG_NAND */ 81 #define MTDPARTS_DEFAULT 82 #endif /* CONFIG_NAND */ 83 84 /* Board NAND Info. */ 85 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 86 /* to access nand */ 87 /* Environment information */ 88 #define CONFIG_EXTRA_ENV_SETTINGS \ 89 DEFAULT_LINUX_BOOT_ENV \ 90 "bootdir=/boot\0" \ 91 "bootfile=zImage\0" \ 92 "usbtty=cdc_acm\0" \ 93 "console=ttyO2,115200n8\0" \ 94 "mpurate=auto\0" \ 95 "optargs=\0" \ 96 "vram=12M\0" \ 97 "dvimode=1024x768MR-16@60\0" \ 98 "defaultdisplay=dvi\0" \ 99 "mmcdev=0\0" \ 100 "mmcroot=/dev/mmcblk0p2 rw\0" \ 101 "mmcrootfstype=ext4 rootwait\0" \ 102 "nandroot=ubi0:rootfs ubi.mtd=4\0" \ 103 "nandrootfstype=ubifs\0" \ 104 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 105 "mmcargs=setenv bootargs console=${console} " \ 106 "${optargs} " \ 107 "mpurate=${mpurate} " \ 108 "vram=${vram} " \ 109 "omapfb.mode=dvi:${dvimode} " \ 110 "omapdss.def_disp=${defaultdisplay} " \ 111 "root=${mmcroot} " \ 112 "rootfstype=${mmcrootfstype}\0" \ 113 "nandargs=setenv bootargs console=${console} " \ 114 "${optargs} " \ 115 "mpurate=${mpurate} " \ 116 "vram=${vram} " \ 117 "omapfb.mode=dvi:${dvimode} " \ 118 "omapdss.def_disp=${defaultdisplay} " \ 119 "root=${nandroot} " \ 120 "rootfstype=${nandrootfstype}\0" \ 121 "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 122 "bootscript=echo Running boot script from mmc ...; " \ 123 "source ${loadaddr}\0" \ 124 "loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \ 125 "importbootenv=echo Importing environment from mmc ...; " \ 126 "env import -t ${loadaddr} ${filesize}\0" \ 127 "loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \ 128 "mmcboot=echo Booting from mmc...; " \ 129 "run mmcargs; " \ 130 "bootm ${loadaddr}\0" \ 131 "loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \ 132 "loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 133 "loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \ 134 "loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 135 "mmcbootfdt=echo Booting with DT from mmc ...; " \ 136 "run mmcargs; " \ 137 "bootz ${loadaddr} - ${fdtaddr}\0" \ 138 "nandboot=echo Booting from nand ...; " \ 139 "run nandargs; " \ 140 "if nand read ${loadaddr} linux; then " \ 141 "bootm ${loadaddr};" \ 142 "fi;\0" \ 143 "nanddtsboot=echo Booting from nand with DTS...; " \ 144 "run nandargs; " \ 145 "ubi part rootfs; "\ 146 "ubifsmount ubi0:rootfs; "\ 147 "run loadubifdt; "\ 148 "run loadubizimage; "\ 149 "bootz ${loadaddr} - ${fdtaddr}\0" \ 150 151 #define CONFIG_BOOTCOMMAND \ 152 "mmc dev ${mmcdev}; if mmc rescan; then " \ 153 "if run loadbootscript; then " \ 154 "run bootscript; " \ 155 "fi;" \ 156 "if run loadbootenv; then " \ 157 "echo Loaded environment from ${bootenv};" \ 158 "run importbootenv;" \ 159 "fi;" \ 160 "if test -n $uenvcmd; then " \ 161 "echo Running uenvcmd ...;" \ 162 "run uenvcmd;" \ 163 "fi;" \ 164 "if run loaduimage; then " \ 165 "run mmcboot;" \ 166 "fi;" \ 167 "if run loadzimage; then " \ 168 "if test -z \"${fdtfile}\"; then " \ 169 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 170 "fi;" \ 171 "if run loadfdt; then " \ 172 "run mmcbootfdt;" \ 173 "fi;" \ 174 "fi;" \ 175 "fi;" \ 176 "run nandboot; " \ 177 "if test -z \"${fdtfile}\"; then "\ 178 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 179 "fi;" \ 180 "run nanddtsboot; " \ 181 182 /* memtest works on */ 183 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 184 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 185 0x01F00000) /* 31MB */ 186 187 /* FLASH and environment organization */ 188 #if defined(CONFIG_NAND) 189 #define CONFIG_SYS_FLASH_BASE NAND_BASE 190 #endif 191 192 /* Monitor at start of flash */ 193 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 194 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 195 196 #define CONFIG_ENV_IS_IN_NAND 197 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ 198 #define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */ 199 200 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 201 #define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET 202 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET 203 204 /* Configure SMSC9211 ethernet */ 205 #if defined(CONFIG_CMD_NET) 206 #define CONFIG_SMC911X 207 #define CONFIG_SMC911X_32_BIT 208 #define CONFIG_SMC911X_BASE 0x2C000000 209 #endif /* (CONFIG_CMD_NET) */ 210 211 /* Initial RAM setup */ 212 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 213 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 214 215 /* NAND boot config */ 216 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT 217 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 218 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 219 #define CONFIG_SYS_NAND_PAGE_COUNT 64 220 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 221 #define CONFIG_SYS_NAND_OOBSIZE 64 222 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 223 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 224 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \ 225 13, 14, 16, 17, 18, 19, 20, 21, 22, \ 226 23, 24, 25, 26, 27, 28, 30, 31, 32, \ 227 33, 34, 35, 36, 37, 38, 39, 40, 41, \ 228 42, 44, 45, 46, 47, 48, 49, 50, 51, \ 229 52, 53, 54, 55, 56} 230 #define CONFIG_SYS_NAND_ECCSIZE 512 231 #define CONFIG_SYS_NAND_ECCBYTES 13 232 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 233 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 234 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 235 /* NAND: SPL falcon mode configs */ 236 #ifdef CONFIG_SPL_OS_BOOT 237 #define CONFIG_CMD_SPL_NAND_OFS 0x240000 238 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 239 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000 240 #endif 241 242 #endif /* __CONFIG_H */ 243